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[AMPS] 3-500's truley instant on?

from [Tom Rauch] [Permanent Link][Original]
To: <amps@contesting.com>
Subject: [AMPS] 3-500's truley instant on?
From: W8JI@contesting.com (Tom Rauch)
Date: Sat, 5 Aug 2000 09:51:11 -0400 
>  How "Instant on" are 3-500G's really? Will it cause any damage to power
>  up
> an 3-500 amp and TX within several seconds?
> The amp is a Heath HL-2200 modified for strictly 6M operation.

Thoriated tungsten tubes show no lasting ill effects or damage if  
current is drawn before the operating temperature is reached.

Only metal oxide coated cathodes are damaged by operation with 
a low cathode temperature.


 
73, Tom W8JI
w8ji@contesting.com

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